I would rather have the crabgrass than have any chemical.
If you want to start a new thread to talk about organic crabgrass control, I might be able to help you. But this is the last post I will put in this thread.
I'm a lumberjack and I'm okay, I sleep all night and work all day. Tiny lumberjack ad:
World Domination Gardening 3-DVD set. Gardening with an excavator. richsoil.com/wdg